condition mean min max 12pM Fe,Midday 32.7875 32.7875 32.7875 12pM Fe,Midnight 22.7168 21.0227 24.4109 58pM Fe,Midday 19.7809 19.7809 19.7809 58pM Fe,Midnight 36.47121428571429 16.2097 132.449 233pM Fe,Midnight 23.063033333333333 22.2753 23.5584 1160pM Fe,Midday 15.832985714285714 12.0128 21.6011 1160pM Fe,Midnight 15.473683333333334 11.9817 19.0478 High carbon,Dark 27.980433333333334 11.7557 50.785 High carbon,Light 20.124473846153847 7.01907 32.882 Low carbon,Dark 15.7414 15.7414 15.7414 Phloroglucinol 32.08116666666667 29.6509 34.8623 Silicon starvation,12h 41.3379 41.3379 41.3379